Category Archives: Graphic Presentation

The song “Let it Go” from the movie Frozen celebrates “frozen fractals.” I suppose a frozen fractal is something like the Koch snowflake. Lately, though, one of my puzzles has made me more interested in melting fractals. The challenge of Puzzle … Continue reading →

In Puzzle #9: Island of Games, I described an island where a thousand residents enjoy playing three games: Chess, Checkers, and speed-solving of Rubik’s Cube. Each islander’s skill at each game is assessed with a rating score between zero and … Continue reading →

Alberto Cairo, who teaches Information Graphics and Visualization at the the University of Miami, has written about connected scatter plots on his blog (with a follow-up post here). He has been inspired, as I have, by Hans Rosling’s wonderful animated scatter … Continue reading →

“You can observe a lot by watching.” – Yogi Berra The biggest story in economics this year revolves around a study by Harvard economists Carmen Reinhart and Kenneth Rogoff (“RR”). Their work has been credited (or blamed) for efforts around the … Continue reading →

I was pleased to speak on a panel last week at the Sixth Annual Risk Conference sponsored by the Federal Reserve Bank of Chicago and the Driehaus College of Business, DePaul University. I appeared on a panel on Business Model … Continue reading →

After I saw Matt Henderson’s visual demonstration of how the geometric series 1/4 + 1/16 + 1/64 . . . adds to 1/3, I thought about how to generalize this for any geometric series. This led to a way to … Continue reading →

Matt Henderson of Cambridge (UK) has a terrific math blog that is full of very cool animations. Here is an example, showing that the infinite geometric series 1/4 + 1/16 + 1/64 + … adds to 1/3: His latest post … Continue reading →